If you understand the definition of a mathematical function, a good way to judge it is that any line drawn parallel to the y-axis intersects with the values in the function’s curve only once. The same ...

To calculate the Consumer Price Index between two years in Excel, take a sum of all the amounts spent on the basket of products over those two years. Then use the following formula to find the CPI ...

When you create a chart in Excel using positive and negative values, both positive and negative graphs are the same color by default. Another way to display the chart is to change the color of the ...

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Microsoft Excel 2007's conditional formatting feature allows you to format cells based on certain criteria. As an example, you might want the row color to change based upon a credit or debit on a ...